{"cve":"CVE-2018-20063","nvd":{"published":"2019-02-25T23:29:00.453","modified":"2026-06-17T01:52:14.503","status":"Modified","description":"An issue was discovered in Gurock TestRail 5.6.0.3853. An \"Unrestricted Upload of File\" vulnerability exists in the image-upload form (available in the description editor), allowing remote authenticated users to execute arbitrary code by uploading an image file with an executable extension but a safe Content-Type value, and then accessing it via a direct request to the file in the file-upload directory (if it's accessible according to the server configuration).","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-434"],"references":["https://medium.com/%40vrico315/unrestricted-upload-of-file-with-dangerous-type-in-gurocks-testrail-11d9f4d13688","https://medium.com/%40vrico315/unrestricted-upload-of-file-with-dangerous-type-in-gurocks-testrail-11d9f4d13688"],"products":["gurock:testrail"],"source":"nvd","synced_at":"2026-10-19T20:54:46.948512734+00:00"},"epss":{"cve":"CVE-2018-20063","score":0.02717,"percentile":0.86022,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}